Democratic Sen. Mark Udall on Monday defended his support for a carbon tax, lashing back at criticism from his opponent who says plans to slash carbon emissions at coal-fired power plants raises energy costs for homeowners.
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BILLINGS, Mont. (AP) — The federal government predicts that trains hauling crude oil or ethanol will derail an average of 10 times a year over the next two decades, causing more than $4 billion in damage and possibly killing hundreds of people if...
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Snowpack in the mountain valleys where the Colorado River originates was only a little below normal on Wednesday, marking one of the few bright spots in an increasingly grim drought gripping much of the West.
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